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Stock-Based Compensation (Tables) | 9 Months Ended
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Feb. 24, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table summarizes the stock-based compensation for stock options and RSUs (in thousands):
| Three Months Ended |  | Nine Months Ended
| February 24, 2019 |  | February 25, 2018 |  | February 24, 2019 |  | February 25, 2018
Options | $ | 245 |  |  | $ | 380 |  |  | $ | 689 |  |  | $ | 1,057 |
RSUs | 571 |  |  | 767 |  |  | 1,793 |  |  | 2,155 |
Total stock-based compensation | $ | 816 |  |  | $ | 1,147 |  |  | $ | 2,482 |  |  | $ | 3,212 |
The following table summarizes the stock-based compensation by income statement line item (in thousands):
| Three Months Ended |  | Nine Months Ended
| February 24, 2019 |  | February 25, 2018 |  | February 24, 2019 |  | February 25, 2018
Cost of sales | $ | 116 |  |  | $ | 137 |  |  | $ | 334 |  |  | $ | 398 |
Research and development | 29 |  |  | 41 |  |  | 84 |  |  | 82 |
Selling, general and administrative | 671 |  |  | 969 |  |  | 2,064 |  |  | 2,732 |
Total stock-based compensation | $ | 816 |  |  | $ | 1,147 |  |  | $ | 2,482 |  |  | $ | 3,212 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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